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Questions tagged [concrete-block]

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3
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1answer
119 views

How to wall-mount to a “resilient channel” wall?

first SE post! MY QUESTION: How do I safely attach an articulating mount (tilt/pan) for a 75" LCD TV to a "sound deadening" wall that uses resilient channels? Thanks to the miracle of the ...
0
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2answers
151 views

Mounting a TV to Concrete Through Wood Paneling and Air Gap

I have a bit of a tricky question in regards to mounting my 65" TV. I have 3/4" knotty pine tongue and groove vertical wood paneling on my basement interior wall. The wall divides my finished and ...
1
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2answers
367 views

Hanging large TV and media cabinet on cement block covered with drywall

I'm planning on hang a 75" TV and a media center on my wall. It is cement block covered with drywall. Drywall is installed using some sort of metal furring strips so there are no studs. I believe all ...
0
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1answer
64 views

Drywall on conrete ceiling without studs, weight issues?

I have a question regarding heavy drywall hanging on a ceiling. I need to hang drywall ceiling without any studs (drywall designed for moisture, vapor barrier, straight onto concrete ceiling). I ...
1
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0answers
22 views

Ok to use green Spax lags as anchors in block wall?

I've got a basement project where I'm attaching 3in studs over 1 inch foam to a block wall (built ~1952). I was planning on using Tapcons, but the threads are not holding. The 1/4 green Spax lags look ...
0
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2answers
302 views

What to use to backfill around the concrete pier block?

Given the image above: What should I use to backfill the hole around the concrete pier block? I am thinking to use one of the following: (1) Paver base (again) (2) Gravel (3) Just the dirt that I ...
1
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2answers
150 views

Can you polish a concrete pier block?

I've been searching google for awhile but can't find a straight answer (every link is about walls/floors): Can I polish (or sand to be smoother at least) a concrete pier block? I have this one from ...
0
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2answers
1k views

Mounting TV on Thick Drywall + 1" Stud + Concrete blocks

I am trying to mount my 55" TV to the wall in our basement. It is an old (~1930) semi-detached house and I am a mounting it to the shared wall. As best as I can figure out, we have 1.5" drywall ...
0
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1answer
2k views

Filling large hole in concrete floating floor

I have a big hole in my kitchen floor (inserting a beam and post to take down a load bearing wall), and I'm now left with having to fill this hole (after dumping around 300 mm of concrete on the post ...
0
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1answer
136 views

Cutting Concrete Block Wall

I have an outdoor BBQ Island that has a grill and refrigerator installed in it. The Island is made out of 5 3/4" concrete block with wood top and tile on top of that. Right now I have a A/V Receiver ...
0
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1answer
62 views

Securing range hood with tile & concrete behind—should I pre-drill wider?

I need to secure a range hood on my new subway tile backsplash. Behind the tile is the thinset, drywall, then concrete block. I don't think my furring strips are ideally located for mounting purposes. ...
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2answers
80 views

Why are the deck footing blocks set away from the house several inches in this video?

I watched this video (building a free-standing porch) and wondered what is the reason that the back concrete blocks are not tight to the house wall. Basically he places them away from the house by a ...
0
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2answers
225 views

Are concrete blocks a cost effective, modern and strong solution to building a house? [closed]

I do many different house designs in SketchUp. With a 500,250,250mm concrete brick I believe I could create the walls for a house for as little as £1,000. Roughly 1k bricks will be needed to create ...
0
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1answer
2k views

How to insulate a concrete block shed - material / method

I've got a shed built of big solid concrete blocks, that also has a concrete floor. I want to insulate the whole lot so it can be fit for human habitation – so I need to insulate the floor, walls and ...
0
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2answers
54 views

84' wall leans 5",17' out. Pulling to plumb, + columns, save wall?

84' wall leans 5",17' out. Pulling to plumb, add columns, save wall? (https://i.stack.imgur.com/JvnVY.jpg)
1
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1answer
734 views

Mitigating an out of plumb foundation wall

My wife and I bought a house (built in 1985, Atlanta GA suburbs) with a fully finished basement that recently had a hot water heater leak that ruined the laminate floor. This disaster actually was ...
3
votes
1answer
259 views

Water on block foundation wall

I have water on the top 4 feet of my basement foundation wall. This goes around almost the entire perimeter of the basement. The bottom 4 feet of blocks are dry. Any ideas the cause? Can someone ...
0
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1answer
91 views

Centering new construction windows in CMU rough opening by notching rough opening and inserting nail fins in notch… Doable?

My Block man obviously could not read blueprints and I am left with upstairs cmu rough openings that barely meet egress codes. Want window centered in block ( not attached to interior framing. Can I ...
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2answers
585 views

Building a thick concrete pad

Concrete newbie here. I am building a concrete pad for an A/C unit in an already excavated area of the yard (new plant bed). The excavated area is around 8" deep. I want to build a 4'x4'x16" concrete ...
1
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1answer
520 views

Best way to cover stair using concrete retaining wall block

I have spent 3 days creating this stair and I still don't like to look. The reason is that I have tons of those retaining wall blocks so I have to use them all to create the stair. The first try was ...
1
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1answer
361 views

What causes air voids in concrete?

Really have no idea on what causing concrete to have air voids in it. Is it causes by evaporation of water during the hydration process?
0
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1answer
70 views

Where can I find these textured cast concrete blocks?

I am trying to match up some old blocks but ain't having much luck. Would anybody know the name or style of the block?
0
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1answer
432 views

Layout method using concrete retaining wall block for angled wall

I am planning to use the rectangular 12x4 retaining wall blocks as below http://www.lowes.com/pd_357656-215-30732___?productId=3722166 This is because we like the design of this better than using ...
2
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1answer
2k views

Maximum retaining wall height

Some retaining walls from the home improvement store stated that Maximum Wall Height is 2 feet. For example, Tranquil Olde Manor Concrete Retaining Wall Block from Lowes. My question is that why there ...
1
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1answer
113 views

How to build a CMU wall to specific size?

My current design for a garage is 24' by 24'. There are 2 garage doors on the front 9' in width, with 1 1/2" on each side to install them into. This leaves 66" for the front facing CMU wall, which is ...
2
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1answer
1k views

How to lay concrete block without squishing all the mortar?

I'm laying a small retaining wall for a garden and I'm having a lot if trouble getting a proper mortar joint. If it is on the soft side it is squished out of the joint with the weight of the block. ...
3
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4answers
9k views

Can I skim coat a painted interior concrete block wall? If so, with what & how?

Can I skim coat a painted interior concrete block wall? If so: What can I use to prepare the wall? What material should I use (joint compound, plaster, other)? All DIY so simpler the better.
0
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2answers
6k views

How to cut concrete block with a circular saw

I have some concrete blocks that are 4 inches by 6 inches. I need to cut them in half at a 45 degree angle. Can I do this with a circular saw and a masonry blade ? I would also make a jig to cut ...
1
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1answer
352 views

What type of anchor for fastening to block wall?

So, I started with What type of screws and anchors are used for concrete? - but it's not particularly clear to me. I (hammer) drilled 5/32" holes into an exterior wall for 3/16" tapcon screws. These ...
0
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2answers
106 views

Trying to finish a full basement but footers arent deep enough?

I have a full basement that we are wanting to finish, we hired a contractor to come out and estimate and he said we couldn't do it at all because of the slope of the land the footers weren't deep ...
2
votes
1answer
863 views

destroy a wall that is useless

I'm new to building or destroying things in that occasion. I have a wall that is not supporting the roof or any other part of the house. Removing that wall will help me build an extension of a room ...
1
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1answer
218 views

How to minimise the amount of concrete needed for a shed foundation?

I’m looking to build a 6m by 3m shed in the back garden. It will be jammed in between 3 neighbours’ gardens, so it will have to be less than 2.5m high. Roof will most likely be a low grade pitch with ...
2
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1answer
652 views

How can I paint concrete blocks without trapping moisture?

I have a shed/laundry that is a separate building from my house. It's made of concrete blocks sitting on top of a poured concrete slab. Currently the inside is bare, which is dark and drab. I want to ...
2
votes
1answer
211 views

Load considerations on framing members that are only attached to concrete?

I am building out a workshop space in my basement, and want to put up framing on the walls, as shown here: Specifically the left wall and the far wall, both of which have a lip. The foundation blocks ...
3
votes
3answers
4k views

Repair cracks in concrete block wall that's no longer moving

I'm fixing up my detached garage built in the early 1900's. At some point there was some movement in the walls (not the slab, the walls are built next to the slab). There doesn't seem to be any more ...
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2answers
4k views

How can I install a new internal nonbearing concrete block wall in basement to partition off for bathroom?

house is built of concrete blocks, so basement floor is poured concrete and ceiling also. Want to know how to secure wall being built to ceiling and not having wall collapse
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0answers
62 views

Repairing concrete block on inner part of basement

I have had water seepage into my basement through concrete block for many years. The exterior part of the block is covered by a deck and patio and is not easy to get to. I've mitigated a lot of the ...
2
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2answers
5k views

How can I remove a parking block from my garage?

So, builders have this thing, for some reason, of installing cement parking blocks a few feet in front of the hot water heater in the garage. I've lived at plenty of places without those and managed ...
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0answers
584 views

Converting garage into living room?

We want to convert the garage into the living room. Our house has a crawl space under it. But the garage is a slab with cinder blocks around it. Water comes in through the garage door when it rains ...
1
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1answer
2k views

How to keep a block wall from blowing out at the bottom

I am hiring block masons to build me a 24' x 44' block building, and I want to know how to keep the lower courses of blocks from bowing under pressure of 3 feet of dirt backfill or weight from the ...
2
votes
1answer
9k views

How wide does a 6x6 concrete post footing needs to be?

Need to attach 6x6x8 posts for a free-standing pergola - I'll use Strong-Tie anchors attached to the concrete footing. anchor http://ecx.images-amazon.com/images/I/51wh-zNPEFL.jpg The hole for the ...
1
vote
1answer
757 views

Can a concrete block be split the same way you cut stone?

I just bought a house with a large retaining wall built out of stackable concrete blocks. At one intersection there's an extra block that sticks out awkwardly. If I score a line with a chisel can I ...
2
votes
1answer
597 views

Does anyone know if concrete blocks with half-moon tops are made?

I'm planning to finish a concrete block fence and would like to cap it with a rounded half-moon style block for aesthetics (the whole thing will be covered with surface-bonding cement for an adobe-ish ...
5
votes
4answers
26k views

Can I install windows into a concrete rough opening without wood buck?

I recently cut two holes in my foundation and installed new windows. I lined my hole with 2x8 PT wood bucks that I attached to the masonry with Tapcon screws. Then I attached my window nailing flange ...
2
votes
1answer
3k views

What causes wet/damp concrete blocks in a newly built shed?

Over three weeks ago, we had building contractors in to build a turf shed and today there was heavy rainfall all day and we noticed wet/dampness on the inside of the blocks. There are two coats of ...
3
votes
1answer
2k views

How can you attach those stair steps to cement blocks?

My wife asked me if these kind of stairs could be done in our new house: The house I'm building is made of concrete blocks (which would be left unfinished in the first floor). Now, is there a safe ...
1
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1answer
3k views

How can I drill through concrete blocks to allow drainage from my backyard?

My back yard has a brick floor and is surrounded by a concrete block wall. In heavy rains, the yard pools with rain water. How do I go about cutting drain holes in the wall or floor?
5
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2answers
10k views

How do you secure electrical outlets in a concrete block wall?

I have an old home that has several outlets in the exterior wall. These outlets are not secured to the block, they just dangle in the opening and are only secure (or appear to be firmly in place) due ...
3
votes
2answers
19k views

How can I prevent this concrete block wall from falling over?

I have a concrete wall that separates my backyard with my neighbor’s. It has been there for decades (at the very least 30 years). I have a slope of about 30 degrees and have noticed that the wall is ...
3
votes
1answer
6k views

What type of screws and anchors are used for concrete?

I have cinder block walls along one side of the garage and hang a lot of 'tool storage' hangers and such. Often what I buy comes with screws and anchors so I use that but I have some hangers I just ...